264985026630 has 256 divisors, whose sum is σ = 681868357632. Its totient is φ = 65816064000.

The previous prime is 264985026623. The next prime is 264985026637. The reversal of 264985026630 is 36620589462.

It is an interprime number because it is at equal distance from previous prime (264985026623) and next prime (264985026637).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264985026637) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 574804600 + ... + 574805060.

It is an arithmetic number, because the mean of its divisors is an integer number (2663548272).

Almost surely, 2^264985026630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 264985026630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340934178816).

264985026630 is an abundant number, since it is smaller than the sum of its proper divisors (416883331002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

264985026630 is a wasteful number, since it uses less digits than its factorization.

264985026630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783.

The product of its (nonzero) digits is 3732480, while the sum is 51.

The spelling of 264985026630 in words is "two hundred sixty-four billion, nine hundred eighty-five million, twenty-six thousand, six hundred thirty".